FP

Fiske O. Parnkopf

CB C.F. Braun: 2 patents #2 of 12Top 20%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,323,442 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4921684 Ammonia conversion process Bernard J. Grotz, G. Robert Prescott 1990-05-01
4554135 Ammonia converter Bernard J. Grotz, G. Robert Prescott 1985-11-19